SSLVPN error "Websocket connection failed: Connection closed before receiving a handshake responser"

After VPN tunnel established to NetScaler gateway, user encounter access issue s to backend server with error message: "Websocket connection to 'ws:///ws/notification/site-msg/' failed: Connection closed before receiving a handshake responser"...

GO-2023-2044 Panic when processing post-handshake message on QUIC connections in crypto/tls

Processing an incomplete post-handshake message for a QUIC connection can cause a panic...

Uncaught Exception

Overview std/crypto/tls is a Go standard library package std/crypto/tls Affected versions of this package are vulnerable to Uncaught Exception. Go Vulnerability Report: Processing an incomplete post-handshake message for a QUIC connection can cause a panic. Remediation Upgrade std/crypto/tls to...

Allocation of Resources Without Limits or Throttling

Overview std/crypto/tls is a Go standard library package std/crypto/tls Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling. Go Vulnerability Report: QUIC connections do not set an upper bound on the amount of data buffered when reading...

SUSE CVE-2023-39322

QUIC connections do not set an upper bound on the amount of data buffered when reading post-handshake messages, allowing a malicious QUIC connection to cause unbounded memory growth. With fix, connections now consistently reject messages larger than 65KiB in size...

SUSE CVE-2023-39321

Processing an incomplete post-handshake message for a QUIC connection can cause a panic...

TCP option lost when traffic go through TCP type Load Balance(LB) Vserver

TCP option lost when traffic go through TCP type Load BalanceLB Vserver: 1. Clients send TCP syn to NetScaler with TCP option segment: 2. Backend Servers do not receive TCP handshake with TCP option segment from NetScaler:...

PT-2023-26883 · Quic +6 · Quic +6

Name of the Vulnerable Software and Affected Versions: QUIC affected versions not specified Description: The issue allows a malicious QUIC connection to cause unbounded memory growth due to the lack of an upper bound on the amount of data buffered when reading post-handshake messages. With the fi...

Security Bulletin: IBM Event Endpoint Management is vulnerable to a denial of service in Netty (CVE-2023-34462)

Summary Operator of IBM Event Endpoint Management is vulnerable to a denial of service in Netty 4.1.94 CVE-2023-34462 Vulnerability Details CVEID:CVE-2023-34462 DESCRIPTION: Netty is vulnerable to a denial of service, caused by a flaw with allocating up to 16MB of heap for each channel during the...

CVE-2023-41180 Apache NiFi MiNiFi C++: Incorrect Certificate Validation in InvokeHTTP for MiNiFi C++

Incorrect certificate validation in InvokeHTTP on Apache NiFi MiNiFi C++ versions 0.13 to 0.14 allows an intermediary to present a forged certificate during TLS handshake negotation. The Disable Peer Verification property of InvokeHTTP was effectively flipped, disabling verification by default,...

Apache NiFi Trust Management Issues Vulnerability

Apache NiFi is a data processing and distribution system from the Apache USA Foundation. The system is primarily used for data routing, transformation, and system brokering logic. A trust management issue vulnerability exists in Apache NiFi MiNiFi C++ versions 0.13 through 0.14, which stems from...

PT-2023-6523 · Apache · Apache Nifi Minifi C++

Name of the Vulnerable Software and Affected Versions: Apache NiFi MiNiFi C++ versions 0.13 through 0.14 Description: The issue is related to incorrect certificate validation in the InvokeHTTP component, allowing an intermediary to present a forged certificate during TLS handshake negotiation. Th...

OESA-2023-1591 golang security update

The Go Programming Language. Security Fixes: Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. With fix, the size of RSA keys transmitted during handshakes is restricted to = 8192 bits. Based on a survey of publicly trust...

CVE-2023-40217

Python ssl.SSLSocket is vulnerable to a bypass of the TLS handshake in certain instances for HTTPS servers and other server-side protocols that use TLS client authentication such as mTLS. This issue may result in a breach of integrity as its possible to modify or delete resources that are...

Python TLS Handshake Bypass (CVE-2023-40217)

The version of Python installed on the remote Windows host is potentially affected by a vulnerability that primarily affects servers such as HTTP servers that use TLS client authentication. If a TLS server-side socket is created, receives data into the socket buffer, and then is closed quickly,...

Python < 3.8.18, 3.9.x < 3.9.18, 3.10.x < 3.10.13, 3.11.x < 3.11.5 Security Bypass Vulnerability - Mac OS X

Python is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:python:python"; ifdescription...

Python < 3.8.18, 3.9.x < 3.9.18, 3.10.x < 3.10.13, 3.11.x < 3.11.5 Security Bypass Vulnerability - Linux

Python is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:python:python"; ifdescription...

OESA-2023-1532 golang security update

The Go Programming Language. Security Fixes: Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. With fix, the size of RSA keys transmitted during handshakes is restricted to = 8192 bits. Based on a survey of publicly trust...

PSF-2023-8 Bypass TLS handshake on closed sockets

Instances of ssl.SSLSocket are vulnerable to a bypass of the TLS handshake and included protections like certificate verification and treating sent unencrypted data as if it were post-handshake TLS encrypted data. The vulnerability is caused when a socket is connected, data is sent by the malicio...

Amazon Linux 2 : golang (ALAS-2023-2211)

The version of golang installed on the remote host is prior to 1.20.7-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2211 advisory. 2023-10-11: The severity level was changed from Important to Medium. Extremely large RSA keys in certificate chains can cause a...